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m-labs / artiq

A leading-edge control system for quantum information experiments
https://m-labs.hk/artiq
GNU Lesser General Public License v3.0
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Ver 1.3: cannot find -lcompiler_rt during gateware build #541

Closed jasonamini closed 8 years ago

jasonamini commented 8 years ago

Building gateware for artiq 1.3 with current misoc version returns "or1k-linux-ld: cannot find -lcompiler_rt" for target ksupport.elf.

Command leading to error: python3.5 -m artiq.gateware.targets.kc705 -H qc1 --toolchain vivado

This seems to be the same issue that commit 929ded30b8dd5f0c9c9afd35c68c130ffc63be6c fixes on version 2. Testing the same changes on 1.3 (compiler_rt to compiler-rt in artiq/runtime/Makfile) gets past this error.

jordens commented 8 years ago

That commit does not touch anything related.

jordens commented 8 years ago

Did you follow the manual when installing? In particular, are the submodules checked out in misoc?

whitequark commented 8 years ago

Did you follow the manual when installing? In particular, are the submodules checked out in misoc?

Yes, I believe he did, that's why he got the error. misoc 0.1 should be used with artiq 1.3.

jordens commented 8 years ago

Scratch that. release-1 needs to see that change as well. As a workaround use a misoc revision that does not have the change (https://github.com/m-labs/misoc/commit/d3c673599c50fe9a39e437f0c11d92fb0730631a).

whitequark commented 8 years ago

@jordens Should we put misoc 0.1 into the main channel? I'm not sure why it isn't there already.

jordens commented 8 years ago

@whitequark the "installing from source" instructions use misoc master. Either that needs to be changed (and retroactively noted for 1.X as well). Or release-1 needs to see that change. I'd do the later.

jordens commented 8 years ago

@whitequark misoc is not needed to install artiq from the main channel. Just needed for building. But I'd be fine to also have misoc 0.1/0.2 in the main channel.

whitequark commented 8 years ago

@jordens The install from source instructions for ARTIQ also use ARTIQ master.

jordens commented 8 years ago

@whitequark Yes. But then their existence as part of the shipped release is at least questionable, right?

jasonamini commented 8 years ago

I am now far behind the conversation and am probably hashing out things you have already figured out, but here are the answers in order: 1) Looks like I pasted in the wrong commit. This should be the "artiq/runtime/Makefile" change "runtime: follow rename of compiler_rt to compiler-rt in misoc" on 8/16/2016. Trying to paste in again: 283fc904ecf47a59bf512d2b6f4d32d410291fd1 2) I walked (mostly) step-by-step down the artiq-master version of the manual from your website. There are a couple of additional minor fixes that I need to put in in regard to the manual, but I was able to get to the Vivado compile step in ver 2 (need to get the Vivado registration key transfered, so it stopped there) before trying out ver 1 and running into this issue. 3) I will try out the earlier misoc version. FYI: I am running a clean install of Ubuntu 16.04 and so far so good.

jasonamini commented 8 years ago

Correction: I was able to get the pre-Rust version 2 (538d3e8a85db4f22939abacc07038dbb2b940102) to work. The last couple of commits for Rust broke my compile.

jasonamini commented 8 years ago

The earlier version of misoc works OK with artiq 1.3.

sbourdeauducq commented 8 years ago

misoc 0.1 should be used with artiq 1.3.

No, MiSoC 0.2 (exactly at the tag, without the later commits) should be used with ARTIQ 1.x.

sbourdeauducq commented 8 years ago

I have put MiSoC 0.2 and Migen 0.3 into the main channel. Use those for ARTIQ 1.x.